Combining a decade of experience and feedback FINIS has changed the original Zoomers formula to improve comfort and performance. Zoomers Gold provides a new level of foot pocket comfort, while improving blade stiffness, to create a completely new Zoomers fin. Zoomers Gold now has a soft rubber foot pocket for more comfort. The Zoomers Gold blade stiffness is now a balance between that of the red and the blue Zoomers. Train with Zoomers Gold for a stronger faster kick with ideal propulsion. This fin can be used by all levels of swimming to boost cardiovascular conditioning and accelerate speed during workouts. Features Build Leg Strength - Train your legs for speed and endurance Short Blade - Promotes shorter and faster kicks Closed Heel Design - Creates a soft and secure fit and inhibits hyperflexion Blade Angle - Fin blade aligns with the natural angle of the foot, promoting a proper kick Ankle Flexibility - Increases flexibility and range of motion for a more efficient kick 100% Natural Rubber - Long lasting and durable Great for All Skill Levels - Appropriate for fitness and competitive swimmers